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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Luca Leonardo Scorcia <l.scorcia@gmail.com>
Cc: linux-mediatek@lists.infradead.org,
	 Wim Van Sebroeck <wim@linux-watchdog.org>,
	Guenter Roeck <linux@roeck-us.net>,
	 Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	 AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	 linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	 linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 4/7] dt-bindings: reset: Add reset controller constants for mt8167
Date: Mon, 20 Jul 2026 08:28:13 +0200	[thread overview]
Message-ID: <20260720-authentic-gleeful-asp-20bebd@quoll> (raw)
In-Reply-To: <20260717163959.714561-5-l.scorcia@gmail.com>

On Fri, Jul 17, 2026 at 06:39:15PM +0200, Luca Leonardo Scorcia wrote:
> Add the various bits that identify watchdog and mmsys resets. IDs for
> mmsys resets restart from zero as they are used in a different device.
> 
> Signed-off-by: Luca Leonardo Scorcia <l.scorcia@gmail.com>
> ---
>  .../reset/mediatek,mt8167-resets.h            | 53 +++++++++++++++++++

I do not see any user of this ABI nor explanation why you are doing it.

>  1 file changed, 53 insertions(+)
>  create mode 100644 include/dt-bindings/reset/mediatek,mt8167-resets.h
> 
> diff --git a/include/dt-bindings/reset/mediatek,mt8167-resets.h b/include/dt-bindings/reset/mediatek,mt8167-resets.h
> new file mode 100644
> index 000000000000..85d2d0e99c68
> --- /dev/null
> +++ b/include/dt-bindings/reset/mediatek,mt8167-resets.h
> @@ -0,0 +1,53 @@
> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
> +#ifndef _DT_BINDINGS_RESET_CONTROLLER_MT8167
> +#define _DT_BINDINGS_RESET_CONTROLLER_MT8167
> +
> +/* TOPRGU resets, these are actual bits in the register */
> +#define MT8167_TOPRGU_DDRPHY_FLASH_RST		0
> +#define MT8167_TOPRGU_AUD_PAD_RST		1
> +#define MT8167_TOPRGU_MM_RST			2
> +#define MT8167_TOPRGU_MFG_RST			3
> +#define MT8167_TOPRGU_MDSYS_RST			4
> +#define MT8167_TOPRGU_CONN_RST			5
> +#define MT8167_TOPRGU_PAD2CAM_DIG_MIPI_RX_RST	6
> +#define MT8167_TOPRGU_DIG_MIPI_TX_RST		7
> +#define MT8167_TOPRGU_SPI_PAD_MACRO_RST		8
> +/* bit 9 is reserved, unused according to data sheet */

NAK, how driver can reserve something? Fix your driver.

This is ABI for Linux driver.

Best regards,
Krzysztof



  reply	other threads:[~2026-07-20  6:28 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-17 16:39 [PATCH v2 0/7] Properly describe mt8167 watchdog and mmsys resets Luca Leonardo Scorcia
2026-07-17 16:39 ` [PATCH v2 1/7] dt-bindings: reset: Add MT6589 toprgu reset IDs Luca Leonardo Scorcia
2026-07-20  6:25   ` Krzysztof Kozlowski
2026-07-20 13:11     ` AngeloGioacchino Del Regno
2026-07-17 16:39 ` [PATCH v2 2/7] watchdog: mediatek: Add wdt/toprgu resets for MT6589 Luca Leonardo Scorcia
2026-07-17 16:39 ` [PATCH v2 3/7] dt-bindings: watchdog: Add compatible for MediaTek mt8167 Luca Leonardo Scorcia
2026-07-20  6:26   ` Krzysztof Kozlowski
2026-07-17 16:39 ` [PATCH v2 4/7] dt-bindings: reset: Add reset controller constants for mt8167 Luca Leonardo Scorcia
2026-07-20  6:28   ` Krzysztof Kozlowski [this message]
2026-07-17 16:39 ` [PATCH v2 5/7] watchdog: mediatek: Add support for mt8167 TOPRGU/WDT Luca Leonardo Scorcia
2026-07-17 16:39 ` [PATCH v2 6/7] arm64: dts: mt8167: Properly describe the SoC watchdog Luca Leonardo Scorcia
2026-07-17 16:39 ` [PATCH v2 7/7] soc: mediatek: mtk-mmsys: Add resets for mt8167 Luca Leonardo Scorcia
2026-07-20  6:30   ` Krzysztof Kozlowski

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